13223889

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1$

素因数の和:2749

約数の個数: 24

約数和(自身を含む): 22114560

約数和(自身を除く): 8890671

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 2657, 4977, 7971, 18599, 23913, 55797, 167391, 209903, 629709, 1469321, 1889127, 4407963, 13223889]

約数ペア:

[(1, 13223889), (3, 4407963), (7, 1889127), (9, 1469321), (21, 629709), (63, 209903), (79, 167391), (237, 55797), (553, 23913), (711, 18599), (1659, 7971), (2657, 4977)]